Home / 114,140,310.76-171,241,336.86-81,392,239.72

Finding the Fourth Proportional to 114,140,310.76, 171,241,336.86 and 81,392,239.72

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Solution

The fourth proportional to 114,140,310.76, 171,241,336.86 and 81,392,239.72 is: 122,110,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,140,310.76 : 171,241,336.86 = 81,392,239.72 : x
  2. Step 2: Convert to fraction form
    114,140,310.76/171,241,336.86 = 81,392,239.72/x
  3. Step 3: Cross multiply
    114,140,310.76x = 171,241,336.86 × 81,392,239.72
  4. Step 4: Simplify right side
    114,140,310.76x = 13,937,715,939,682,394
  5. Step 5: Solve for x
    x = 13,937,715,939,682,394/114,140,310.76
  6. Step 6: Final answer
    x = 122,110,373.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.